CN115412800B - Waterproof dustproof formula audio amplifier for projecting apparatus convenient to installation - Google Patents
Waterproof dustproof formula audio amplifier for projecting apparatus convenient to installation Download PDFInfo
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- CN115412800B CN115412800B CN202211067881.XA CN202211067881A CN115412800B CN 115412800 B CN115412800 B CN 115412800B CN 202211067881 A CN202211067881 A CN 202211067881A CN 115412800 B CN115412800 B CN 115412800B
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- 238000009434 installation Methods 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Otolaryngology (AREA)
- Public Health (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model belongs to the technical field of sound boxes, in particular to a waterproof and dustproof sound box for a projector, which is convenient to install and comprises a projector; the lower side of the projector is fixedly connected with a mounting seat; a slot is formed in one side of the mounting seat; the groove is internally connected with a translation box in a sliding way; the sound box is arranged in the translation box and is of a flat structure; a driving assembly is arranged in the mounting seat and can drive the translation box to slide in the slot; according to the utility model, the sound box is integrated in the installation seat of the projector, the translation box is controlled to slide in the groove through the driving component when in use and pushed out from one side of the installation seat, the sound box outward-placement effect is enhanced, the translation box is received in the installation seat through the driving component when not in use, the problem that moist air and dust enter the interior of the sound box is reduced, and the dustproof and waterproof performances of the sound box are improved.
Description
Technical Field
The utility model belongs to the technical field of sound boxes, and particularly relates to a waterproof and dustproof sound box for a projector, which is convenient to install.
Background
Along with the continuous improvement of projector intelligent video and audio science and technology level, people also have higher and higher requirements to the picture and the sound of projector, and then have put forward higher requirements to the audio amplifier structural design of projector. The high-quality sound box system is matched with the projection technology, so that the stereoscopic impression can be enhanced, and the experience of a user in watching the video can be improved.
One chinese patent with publication No. CN205901921U discloses a projector sound box system, which comprises a projector and a casing for wrapping the projector, wherein the casing is formed with at least one sound box cavity, the sound box cavity is fixed with symmetrically installed speakers, the speakers and a pair of bass radiators are assembled in the same sound box cavity, and the pair of bass radiators are symmetrically arranged in the sound box cavity. The utility model solves the problem that the projector generates vibration to blur the projection image when using high-power bass, is not suitable for outputting high-power bass and can only output low-power medium-high-power bass by utilizing the principle that the forces with almost the same magnitude and opposite or opposite directions counteract each other, and has the advantages of simple operation, convenient use and portability.
In the prior art, the loudspeaker box for the projector is usually required to be backlit when the projector is used, and the projector is usually placed in a dark environment, so that the working environment of the loudspeaker box is darker and more moist, if the loudspeaker box is not used for a long time, the components in the loudspeaker box are easy to be affected with damp and damaged, and even the local position of the loudspeaker box can be mildewed.
Therefore, the utility model provides the waterproof and dustproof loudspeaker box for the projector, which is convenient to install.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a waterproof and dustproof sound box for a projector, which is convenient to install and comprises a projector; the lower side of the projector is fixedly connected with a mounting seat; a slot is formed in one side of the mounting seat; the groove is internally connected with a translation box in a sliding way; the sound box is arranged in the translation box and is of a flat structure; a driving assembly is arranged in the mounting seat and can drive the translation box to slide in the slot; in the prior art, the projector is usually required to be backlit when in use, and the projector is usually placed in a dark environment, so that the working environment of the loudspeaker is darker and more moist, if the loudspeaker is not used for a long time, the internal components are easy to be damaged by damp, and even the local position of the loudspeaker is mildewed; at the moment, the sound box is integrated in the installation seat of the projector, the translation box is controlled to slide in the groove through the driving assembly when the sound box is used, the sound box is pushed out from one side of the installation seat, the sound box outward-placement effect is enhanced, the translation box is received in the installation seat through the driving assembly when the sound box is not used, the problem that humid air and dust enter the sound box is reduced, and the dustproof and waterproof performances of the sound box are improved.
Preferably, the driving assembly comprises a driving groove arranged below the groove; the inside of the driving groove is connected with a sliding block in a sliding way, and the sliding block is fixedly connected with the translation box; a motor is fixedly connected to one side of the driving groove; the output shaft of the motor is fixedly connected with a screw rod, and the other end of the screw rod is rotationally connected with the side wall of the driving groove; the screw rod penetrates through the sliding block and is connected with the sliding block through a screw rod nut pair; when the loudspeaker box is not in use, the screw rod is driven to rotate reversely through the motor, and the sliding block can drive the translation box to be retracted into the installation seat to prevent the loudspeaker box from being completely exposed in the external environment.
Preferably, the sound box comprises a shell, and the shell consists of a plastic upper shell and a plastic lower shell; a tweeter and a tweeter horn are arranged on the front side of the shell; the left side and the right side of the shell are provided with a bass loudspeaker; the upper side and the lower side of the shell are provided with passive radiators; when the sound box works normally, the high-pitch loudspeaker, the low-pitch loudspeaker and the passive radiator can sound simultaneously; through the tweeter of front side, the woofer of left and right sides and the passive radiator of upper and lower both sides, can realize five faces and play simultaneously, the radial surface of increase audio amplifier during normal work sound for sound is more surreptitious when the input of well high frequency electric signal, and passive radiator carries out passive sounding under tweeter and woofer's drive, can adjust the holistic tone of audio amplifier.
Preferably, the translation box is made of a grid plate material with a porous structure; through adopting the grid plate material to make translation box for when five faces of audio amplifier simultaneously play sound, the sound can outwards diverge through translation box, reduces the influence of translation box to audio amplifier tone quality.
Preferably, a positioning groove is formed in the bottom surface of the translation box; the bottom of the positioning groove is embedded with an electromagnet, and the electromagnet is powered by a power supply; the magnetic plate is fixedly connected to the lower side of the sound box, and the magnetic plate is matched with the positioning groove; the electromagnet can attract the magnetic plate when being electrified; install the audio amplifier inside the translation box, cooperate through between magnetic plate and the constant head tank, realize the quick location of audio amplifier in the translation box to synchronous being the electro-magnet circular telegram, making the actuation mutually between electro-magnet and the magnetic plate, thereby install the audio amplifier inside the translation box fast, improved the installation effectiveness of audio amplifier, avoided the audio amplifier during operation to produce vibrations and lead to the audio amplifier at the inside constantly movable problem of translation box.
Preferably, a chute is formed on the surface of the lower side wall of the slotted opening end; the inside of the chute is connected with a blocking block in a sliding way, and a spring is fixedly connected between the blocking block and the bottom end of the chute; inclined planes are arranged on one sides, close to each other, of the translation box and the plugging block; when the translation box outwards slides out, the inclined planes between the translation box and the plugging block are mutually extruded, so that the plugging block is pushed to be taken into the sliding groove, the translation box is smoothly pushed out, and after the translation box is completely taken into the grooving, the spring pushes the plugging block to move upwards, so that the grooving is plugged again by the plugging block, the situation that outside moist air and dust enter the loudspeaker box through the grooving is avoided, and the dustproof and waterproof performance of the loudspeaker box is further improved.
Preferably, an elastic pad is embedded in the surface of the upper side wall of the slot close to the slot, and the elastic pad is made of rubber materials; through setting up the elastic cushion, the spring promotes the shutoff piece after shifting up and contacts with the elastic cushion and extrudes each other to improve the shutoff piece and to the sealed effect of fluting, further avoid outside moist air and dust to get into the fluting inside.
Preferably, a group of cylindrical grooves are uniformly formed in the surface of the inclined plane of the plugging block; the inside of the cylindrical groove is rotatably connected with a rotating column, and the rotating column protrudes out of the surface of the plugging block; through setting up the revolving post of a plurality of equipartitions, when translation box and shutoff piece contact extrusion, can drive a plurality of revolving posts and rotate to make between translation box and the shutoff piece change into rolling friction, reduced frictional resistance and degree of wear between the two, increase of service life has improved the inside efficiency of pushing into the spout with the shutoff piece.
Preferably, the side wall surface of the driving groove is provided with a gas storage cavity at a position close to the plugging block; a pressing block is connected in the gas storage cavity in a sliding and sealing manner; a spring is fixedly connected between the pressing block and the side wall of the gas storage cavity, and the pressing block protrudes out of the surface of the side wall of the driving groove when the spring is in a free state; the surface of the side wall of the cylindrical groove is provided with a connecting groove; an elastic membrane is fixedly connected inside the connecting groove; the closed space formed by the elastic membrane and the connecting groove is communicated with the gas storage cavity through a pipeline; an elastic block is fixedly connected between the elastic membrane and the side wall of the connecting groove; a friction plate is fixedly connected to one side of the elastic film, which is close to the rotating column; after the translation box is pushed out outwards, the sliding block synchronously extrudes the pressing block, the pressing block is extruded into the air storage cavity, then air in the air storage cavity is filled into the connecting groove through the pipeline, the elastic membrane is enabled to deform and bulge towards the rotating column, and then the friction plate is pressed on the surface of the rotating column, so that the rotating column is fixed, vibration generated during normal operation of the loudspeaker box is prevented from being transmitted to the plugging block through the translation box, a plurality of rotating columns shake, and the sound quality of the loudspeaker box is affected.
Preferably, a group of grooves are uniformly formed in the upper side surface of the electromagnet; the inside of the groove is fixedly connected with a sucker, and the suction end of the sucker faces upwards; through setting up a plurality of recesses and sucking disc in the electro-magnet upside, install the audio amplifier inside translation box back, the sucking disc can adsorb on the magnetic plate surface, further improves the fixed effect to the audio amplifier, avoids the audio amplifier vibrations to lead to the problem that produces between electro-magnet and the magnetic plate to slide.
The beneficial effects of the utility model are as follows:
1. according to the waterproof and dustproof type loudspeaker box for the projector, the loudspeaker box is integrated in the installation seat of the projector, the translation box is controlled to slide in the groove through the driving assembly and pushed out from one side of the installation seat when the loudspeaker box is used, the loudspeaker box outward-release effect is enhanced, the translation box is received in the installation seat through the driving assembly when the loudspeaker box is not used, the problem that moist air and dust enter the loudspeaker box is reduced, and the dustproof and waterproof performance of the loudspeaker box is improved.
2. According to the waterproof dustproof type loudspeaker box for the projector, provided by the utility model, through the tweeter at the front side, the woofers at the left side and the right side and the passive radiators at the upper side and the lower side, five surfaces can be simultaneously sounded, the sound radiating surface of the loudspeaker box is increased when the loudspeaker box normally works, so that the sound is more bright when a medium-high frequency electric signal is input, and the passive radiators are driven by the tweeter and the woofers to passively sound, and the integral tone of the loudspeaker box can be adjusted.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a perspective view of a sound box in the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
FIG. 6 is a cross-sectional view of an electromagnet and magnetic plate of the present utility model;
in the figure: projector 1, mount 2, slot 3, translation box 4, audio amplifier 5, drive slot 6, slider 7, motor 8, screw 9, plastic upper shell 10, plastic lower shell 11, tweeter 12, tweeter 13, woofer 14, passive radiator 15, positioning slot 16, electromagnet 17, magnetic plate 18, chute 19, block 20, elastic pad 21, column 22, gas storage cavity 23, press block 24, connecting slot 25, elastic membrane 26, elastic block 27, friction plate 28, groove 29, suction cup 30.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Example 1
As shown in fig. 1 to 2, a waterproof and dustproof type sound box 5 for a projector 1, which is convenient to install and comprises a projector 1, according to the embodiment of the utility model; the lower side of the projector 1 is fixedly connected with a mounting seat 2; a slot 3 is formed in one side of the mounting seat 2; the groove 3 is internally connected with a translation box 4 in a sliding manner; the translation box 4 is internally provided with a sound box 5, and the sound box 5 is of a flat structure; a driving component is arranged in the mounting seat 2 and can drive the translation box 4 to slide in the slot 3; in the prior art, the loudspeaker 5 for the projector 1 is usually required to be backlit when the projector 1 is used, and the projector 1 is usually placed in a dark environment, so that the working environment of the loudspeaker 5 is darker and moist, if the loudspeaker 5 is not used for a long time, the components in the loudspeaker are easy to be damaged by damp, and even the local position of the loudspeaker 5 can be mildewed; at this time, the sound box 5 is integrated in the installation seat 2 of the projector 1, the translation box 4 is controlled to slide in the groove 3 through the driving component when in use and pushed out from one side of the installation seat 2, the outward-placing effect of the sound box 5 is enhanced, the translation box 4 is received in the installation seat 2 through the driving component when not in use, the problem that moist air and dust enter into the sound box 5 is reduced, and the dustproof and waterproof performance of the sound box 5 is improved.
The driving assembly comprises a driving groove 6 which is arranged below the groove 3; a sliding block 7 is connected in the driving groove 6 in a sliding way, and the sliding block 7 is fixedly connected with the translation box 4; a motor 8 is fixedly connected to one side of the driving groove 6; the output shaft of the motor 8 is fixedly connected with a screw rod 9, and the other end of the screw rod 9 is rotationally connected with the side wall of the driving groove 6; the screw 9 penetrates through the sliding block 7 and is connected with the sliding block through a screw-nut pair; when the loudspeaker box is not in use, the screw rod 9 is driven to rotate reversely through the motor 8, the sliding block 7 can drive the translation box 4 to be retracted into the installation seat 2, and the loudspeaker box 5 is prevented from being completely exposed in the external environment.
As shown in fig. 3, the sound box 5 comprises a shell, and the shell is composed of a plastic upper shell 10 and a plastic lower shell 11; a tweeter 12 and a tweeter horn 13 are mounted on the front side of the housing; the left and right sides of the housing are provided with woofers 14; the upper side and the lower side of the shell are provided with passive radiators 15; when the sound box 5 works normally, the tweeter 12, the woofer 14 and the passive radiator 15 can sound simultaneously; through the tweeter 12 on the front side, the woofer 14 on the left and right sides and the passive radiators 15 on the upper and lower sides, simultaneous sounding of five surfaces can be realized, the radiating surface of sound during normal operation of the loudspeaker box 5 is increased, so that the sound is more flood and bright during input of medium-high frequency electric signals, and the passive radiators 15 are driven by the tweeter 12 and the woofer 14 to passively sound, so that the integral tone of the loudspeaker box 5 can be adjusted.
As shown in fig. 4 to 5, the translation box 4 is made of a mesh plate material with a porous structure; through adopting the grid plate material to make translation box 4 for when audio amplifier 5 five faces simultaneously make sound, the sound can outwards diverge through translation box 4, reduces the influence of translation box 4 to audio amplifier 5 tone quality.
A positioning groove 16 is formed in the bottom surface of the translation box 4; an electromagnet 17 is embedded at the bottom of the positioning groove 16, and the electromagnet 17 is powered by a power supply; a magnetic plate 18 is fixedly connected to the lower side of the sound box 5, and the magnetic plate 18 is matched with the positioning groove 16; the electromagnet 17 can attract the magnetic plate 18 when being electrified; when installing audio amplifier 5 inside translation box 4, through mutually supporting between magnetic plate 18 and the constant head tank 16, realize audio amplifier 5 in translation box 4 quick location to synchronous for the electro-magnet 17 circular telegram makes the actuation mutually between electro-magnet 17 and the magnetic plate 18, thereby installs audio amplifier 5 inside translation box 4 fast, has improved audio amplifier 5's installation effectiveness, avoids audio amplifier 5 during operation to produce vibrations and leads to audio amplifier 5 at the inside constantly movable problem of translation box 4.
A chute 19 is formed on the surface of the lower side wall of the opening end of the slot 3; a blocking block 20 is slidably connected inside the sliding groove 19, and a spring is fixedly connected between the blocking block 20 and the bottom end of the sliding groove 19; inclined planes are arranged on one sides, close to each other, of the translation box 4 and the plugging block 20; when the translation box 4 outwards slides out, the inclined planes between the translation box 4 and the plugging block 20 are mutually extruded, so that the plugging block 20 is pushed to be drawn into the sliding groove 19, the translation box 4 is smoothly pushed out, after the translation box 4 is completely drawn into the groove 3, the spring pushes the plugging block 20 to move upwards, the groove 3 is plugged again by the plugging block 20, the situation that outside moist air and dust enter the loudspeaker box 5 through the groove 3 is avoided, and the dustproof and waterproof performance of the loudspeaker box 5 is further improved.
An elastic pad 21 is embedded in the position, close to the chute 19, of the upper side wall surface of the slot 3, and the elastic pad 21 is made of rubber materials; by arranging the elastic pad 21, the spring pushes the plugging block 20 to contact with the elastic pad 21 and press each other after moving upwards, so that the sealing effect of the plugging block 20 on the slot 3 is improved, and the outside moist air and dust are further prevented from entering the slot 3.
A group of cylindrical grooves are uniformly formed on the inclined surface of the plugging block 20; the inside of the cylindrical groove is rotatably connected with a rotating column 22, and the rotating column 22 protrudes out of the surface of the plugging block 20; through setting up the revolving post 22 of a plurality of equipartitions, when translation box 4 and shutoff piece 20 contact extrusion, can drive a plurality of revolving posts 22 and rotate to make between translation box 4 and the shutoff piece 20 change into rolling friction, reduced frictional resistance and degree of wear between the two, increase of service life has improved the efficiency of pushing into spout 19 inside with shutoff piece 20.
The side wall surface of the driving groove 6 is provided with a gas storage cavity 23 at a position close to the plugging block 20; the inside of the gas storage cavity 23 is in sliding sealing connection with a pressing block 24; a spring is fixedly connected between the pressing block 24 and the side wall of the gas storage cavity 23, and the pressing block 24 protrudes out of the surface of the side wall of the driving groove 6 when the spring is in a free state; the surface of the side wall of the cylindrical groove is provided with a connecting groove 25; an elastic membrane 26 is fixedly connected inside the connecting groove 25; the closed space formed by the elastic membrane 26 and the connecting groove 25 is communicated with the gas storage cavity 23 through a pipeline; an elastic block 27 is fixedly connected between the elastic membrane 26 and the side wall of the connecting groove 25; a friction plate 28 is fixedly connected to one side of the elastic membrane 26, which is close to the rotary column 22; after the translation box 4 is pushed outwards, the sliding block 7 synchronously extrudes the pressing block 24, the pressing block 24 is extruded into the air storage cavity 23, then air in the air storage cavity 23 is filled into the connecting groove 25 through a pipeline, the elastic membrane 26 is enabled to deform and bulge towards the rotating column 22, and the friction plate 28 is further pressed on the surface of the rotating column 22, so that the rotating column 22 is fixed, vibration generated during normal operation of the loudspeaker 5 is prevented from being transmitted to the sealing block 20 through the translation box 4, a plurality of rotating columns 22 are caused to shake, and the sound quality of the loudspeaker 5 is affected.
Example two
As shown in fig. 6, in comparative example one, another embodiment of the present utility model is: a group of grooves 29 are uniformly formed in the upper side surface of the electromagnet 17; a sucking disc 30 is fixedly connected in the groove 29, and the sucking end of the sucking disc 30 faces upwards; through setting up a plurality of recesses 29 and sucking disc 30 in electro-magnet 17 upside, install the audio amplifier 5 at translation box 4 inside back, sucking disc 30 can adsorb on the magnetic plate 18 surface, further improves the fixed effect to audio amplifier 5, avoids audio amplifier 5 vibrations to lead to the problem that produces between electro-magnet 17 and the magnetic plate 18 to slide.
Working principle: according to the utility model, the sound box 5 is integrated in the mounting seat 2 of the projector 1, the translation box 4 is controlled to slide in the slot 3 through the driving component when in use and pushed out from one side of the mounting seat 2, so that the outward-placing effect of the sound box 5 is enhanced, the translation box 4 is received in the mounting seat 2 through the driving component when not in use, the problem that humid air and dust enter the interior of the sound box 5 is reduced, and the dustproof and waterproof performances of the sound box 5 are improved; when the loudspeaker box is not in use, the screw rod 9 is driven to rotate reversely by the motor 8, the sliding block 7 can drive the translation box 4 to be retracted into the installation seat 2, and the loudspeaker box 5 is prevented from being completely exposed in the external environment; through the tweeter 12 on the front side, the woofers 14 on the left side and the right side and the passive radiators 15 on the upper side and the lower side, simultaneous sounding of five surfaces can be realized, the radiating surface of sound is increased when the loudspeaker box 5 works normally, so that the sound is more flood and bright when the middle-high frequency electric signal is input, and the passive radiators 15 are driven by the tweeter 12 and the woofers 14 to perform passive sounding, and the integral tone of the loudspeaker box 5 can be adjusted; the translation box 4 is made of the grid plate material, so that when the five surfaces of the sound box 5 make sound simultaneously, the sound can be outwards dispersed through the translation box 4, and the influence of the translation box 4 on the sound quality of the sound box 5 is reduced; when the sound box 5 is arranged in the translation box 4, the magnetic plate 18 and the positioning groove 16 are matched with each other, so that the sound box 5 is rapidly positioned in the translation box 4, and the electromagnet 17 is electrified synchronously, so that the electromagnet 17 and the magnetic plate 18 are attracted with each other, the sound box 5 is rapidly arranged in the translation box 4, the installation efficiency of the sound box 5 is improved, and the problem that the sound box 5 continuously moves in the translation box 4 due to vibration generated when the sound box 5 works is avoided; when the translation box 4 slides out, the inclined planes between the translation box 4 and the plugging block 20 are mutually extruded, so that the plugging block 20 is pushed to be retracted into the sliding groove 19, the translation box 4 is smoothly pushed out, after the translation box 4 is completely retracted into the slot 3, the spring pushes the plugging block 20 to move upwards, the slot 3 is plugged again by the plugging block 20, so that the situation that external moist air and dust enter the sound box 5 through the slot 3 is avoided, and the dustproof and waterproof performance of the sound box 5 is further improved; by arranging the elastic pad 21, the spring pushes the plugging block 20 to contact with the elastic pad 21 and press each other after moving upwards, so that the sealing effect of the plugging block 20 on the slot 3 is improved, and the external moist air and dust are further prevented from entering the slot 3; by arranging the rotating columns 22 uniformly distributed, when the translation box 4 is in contact extrusion with the plugging block 20, the rotating columns 22 can be driven to rotate, so that the translation box 4 and the plugging block 20 are converted into rolling friction, the friction resistance and the abrasion degree between the translation box 4 and the plugging block 20 are reduced, the service life is prolonged, and the efficiency of pushing the plugging block 20 into the chute 19 is improved; after the translation box 4 is pushed outwards, the sliding block 7 synchronously extrudes the pressing block 24, the pressing block 24 is extruded into the air storage cavity 23, then air in the air storage cavity 23 is filled into the connecting groove 25 through a pipeline, the elastic membrane 26 is caused to deform and bulge towards the rotating column 22, and the friction plate 28 is further pressed on the surface of the rotating column 22, so that the rotating column 22 is fixed, and the problem that vibration generated when the loudspeaker 5 normally works is transmitted to the sealing block 20 through the translation box 4, so that a plurality of rotating columns 22 shake and influence on sound quality of the loudspeaker 5 is caused is avoided; through setting up a plurality of recesses 29 and sucking disc 30 in electro-magnet 17 upside, install the audio amplifier 5 at translation box 4 inside back, sucking disc 30 can adsorb on the magnetic plate 18 surface, further improves the fixed effect to audio amplifier 5, avoids audio amplifier 5 vibrations to lead to the problem that produces between electro-magnet 17 and the magnetic plate 18 to slide.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. Waterproof dustproof formula audio amplifier for projecting apparatus convenient to installation, its characterized in that: comprising a projector (1); the lower side of the projector (1) is fixedly connected with a mounting seat (2); a slot (3) is formed in one side of the mounting seat (2); the inside of the slot (3) is connected with a translation box (4) in a sliding way; the translation box (4) is internally provided with a sound box (5), and the sound box (5) is of a flat structure; a driving assembly is arranged in the mounting seat (2), and the driving assembly can drive the translation box (4) to slide in the slot (3);
the driving assembly comprises a driving groove (6) which is arranged below the groove (3); a sliding block (7) is connected inside the driving groove (6) in a sliding way, and the sliding block (7) is fixedly connected with the translation box (4); a motor (8) is fixedly connected to one side of the driving groove (6); the output shaft of the motor (8) is fixedly connected with a screw rod (9), and the other end of the screw rod (9) is rotationally connected with the side wall of the driving groove (6); the screw (9) penetrates through the sliding block (7) and is connected with the sliding block through a screw-nut pair;
the sound box (5) comprises a shell, and the shell consists of a plastic upper shell (10) and a plastic lower shell (11); a tweeter (12) and a tweeter horn (13) are arranged on the front side of the shell; the left side and the right side of the shell are provided with a bass loudspeaker (14); the upper side and the lower side of the shell are provided with passive radiators (15); when the sound box (5) works normally, the tweeter (12), the woofer (14) and the passive radiator (15) can produce sound at the same time;
the translation box (4) is made of a grid plate material with a porous structure;
a chute (19) is formed on the surface of the lower side wall of the opening end of the slot (3); a plugging block (20) is connected inside the sliding groove (19) in a sliding way, and a spring is fixedly connected between the plugging block (20) and the bottom end of the sliding groove (19); inclined planes are arranged on one sides, close to each other, of the translation box (4) and the plugging block (20);
an elastic pad (21) is embedded in the upper side wall surface of the slot (3) at a position close to the chute (19), and the elastic pad (21) is made of rubber materials;
a group of cylindrical grooves are uniformly formed in the inclined surface of the plugging block (20); a rotating column (22) is rotatably connected inside the cylindrical groove, and the rotating column (22) protrudes out of the surface of the plugging block (20);
a gas storage cavity (23) is formed in the position, close to the plugging block (20), of the side wall surface of the driving groove (6); a pressing block (24) is connected in the gas storage cavity (23) in a sliding and sealing manner; a spring is fixedly connected between the pressing block (24) and the side wall of the gas storage cavity (23), and the pressing block (24) protrudes out of the surface of the side wall of the driving groove (6) when the spring is in a free state; a connecting groove (25) is formed in the surface of the side wall of the cylindrical groove; an elastic membrane (26) is fixedly connected inside the connecting groove (25); the closed space formed by the elastic membrane (26) and the connecting groove (25) is communicated with the gas storage cavity (23) through a pipeline; an elastic block (27) is fixedly connected between the elastic membrane (26) and the side wall of the connecting groove (25); and a friction plate (28) is fixedly connected to one side of the elastic membrane (26) close to the rotary column (22).
2. The waterproof and dustproof type loudspeaker box for projectors, which is convenient to install, according to claim 1, is characterized in that: a positioning groove (16) is formed in the bottom surface of the translation box (4); an electromagnet (17) is embedded at the bottom of the positioning groove (16), and the electromagnet (17) is powered by a power supply; a magnetic plate (18) is fixedly connected to the lower side of the sound box (5), and the magnetic plate (18) is matched with the positioning groove (16); the electromagnet (17) can attract the magnetic plate (18) when energized.
3. The waterproof and dustproof type loudspeaker box for projectors, which is convenient to install, according to claim 2, is characterized in that: a group of grooves (29) are uniformly formed in the upper side surface of the electromagnet (17); the inside rigid coupling of recess (29) has sucking disc (30), and the actuation end of sucking disc (30) is upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211067881.XA CN115412800B (en) | 2022-09-01 | 2022-09-01 | Waterproof dustproof formula audio amplifier for projecting apparatus convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211067881.XA CN115412800B (en) | 2022-09-01 | 2022-09-01 | Waterproof dustproof formula audio amplifier for projecting apparatus convenient to installation |
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|---|---|
| CN115412800A CN115412800A (en) | 2022-11-29 |
| CN115412800B true CN115412800B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211067881.XA Active CN115412800B (en) | 2022-09-01 | 2022-09-01 | Waterproof dustproof formula audio amplifier for projecting apparatus convenient to installation |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210042168U (en) * | 2019-09-10 | 2020-02-07 | 王美义 | Compact sound box |
| CN211882987U (en) * | 2020-03-25 | 2020-11-10 | 浙江智神科技股份有限公司 | Hidden stereo set power amplifier cabinet body |
| CN213990922U (en) * | 2020-11-28 | 2021-08-17 | 黄丽兰 | Sound box with protection mechanism |
| CN113507658A (en) * | 2021-06-03 | 2021-10-15 | 杭州贺鲁科技有限公司 | Shock absorption protection device for falling-down of household intelligent Bluetooth sound box |
| CN214675541U (en) * | 2021-04-06 | 2021-11-09 | 广州市双泰电子科技有限公司 | Combined projector sound box |
| CN113923545A (en) * | 2021-09-08 | 2022-01-11 | 黄紫阳 | Wall-mounted sound box |
| CN216437419U (en) * | 2021-11-30 | 2022-05-03 | 深圳市联盈嘉科技有限公司 | AI voice control intelligence audio amplifier |
| CN217085504U (en) * | 2022-03-09 | 2022-07-29 | 广州市一横电子有限公司 | Projector with microphone function |
-
2022
- 2022-09-01 CN CN202211067881.XA patent/CN115412800B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210042168U (en) * | 2019-09-10 | 2020-02-07 | 王美义 | Compact sound box |
| CN211882987U (en) * | 2020-03-25 | 2020-11-10 | 浙江智神科技股份有限公司 | Hidden stereo set power amplifier cabinet body |
| CN213990922U (en) * | 2020-11-28 | 2021-08-17 | 黄丽兰 | Sound box with protection mechanism |
| CN214675541U (en) * | 2021-04-06 | 2021-11-09 | 广州市双泰电子科技有限公司 | Combined projector sound box |
| CN113507658A (en) * | 2021-06-03 | 2021-10-15 | 杭州贺鲁科技有限公司 | Shock absorption protection device for falling-down of household intelligent Bluetooth sound box |
| CN113923545A (en) * | 2021-09-08 | 2022-01-11 | 黄紫阳 | Wall-mounted sound box |
| CN216437419U (en) * | 2021-11-30 | 2022-05-03 | 深圳市联盈嘉科技有限公司 | AI voice control intelligence audio amplifier |
| CN217085504U (en) * | 2022-03-09 | 2022-07-29 | 广州市一横电子有限公司 | Projector with microphone function |
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|---|---|
| CN115412800A (en) | 2022-11-29 |
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